webercem mortar CP

Pre-batched, single-component mortar needing only mixing with water to produce a render with low resistivity, suitable for patch repairs on concrete structures where cathodic protection systems are to be used.

Consumption calculator

These results are approximate and are accurate to the best of our knowledge, they do not take into account wastage.

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Features and benefits

Good bond to concrete - damp or wet

Durable - does not crack or craze when applied and properly cured

Easy to use - can be mixed by hand or mechanically

Easy to apply - can be applied easily with a spray pump or by trowel without slumping

Easy to finish - good smooth finish obtainable with a float or sponge. Provides a cohesive and level surface suitable for overcoating.

Complies with Highways Agency ClassM mortar specification - contains more than 400 kg/m3 of ordinary Portland cement to BS 12, the maximum size of aggregate does not exceed 2 mm, the total chloride ion content is less than 0·1% of cement, the resistivity at 28 days saturation is between 5 kΩcm and 15 kΩcm.

Things to consider

Limited to 10 mm thickness per layer for rendering

Do not use where there is a large variation in thickness

Do not use where the substrates are subject to movement or are cracked

Do not use on heavily trafficked floors

Do not apply if frost is forecast within 24 hours of use

Do not apply in temperatures below 5°C or above 30°C

When stored unopened in a dry place at temperatures above 5°C, shelf life is 6 months from date of manufacture